(B) because of its toxicity or other potentiality for harmful effect, or the method of its use, or the collateral measures necessary to its use is not safe for use except under the supervision of a practitioner licensed by law to administer such drug; or
(C) is limited by an approved application under ‘505 of the Federal Act or Section 18 of this Act to use under the professional supervision of a practitioner licensed by law to administer such drug, shall be dispensed only (i) upon a written prescription of a practitioner licensed by law to administer such drug, or (ii) upon an oral prescription of such practitioner which is reduced promptly to writing and filed by the pharmacist, or (iii) by refilling any such written or oral prescription if such refilling is authorized by the prescriber either in the original prescription or by oral order which is reduced promptly to writing and filed by the pharmacist. If any prescription for such drug does not indicate the times it may be refilled, if any, such prescription may not be refilled unless, the pharmacist is subsequently authorized to do so by the practitioner. The act of dispensing a drug contrary to the provisions of this Paragraph shall be deemed to be an act which results in a drug being misbranded while held for sale.

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10 Guam Code Ann. HEALTH AND SAFETY
CH. 40 GUAM FOOD, DRUG AND COSMETIC ACT

(b) Any drug dispensed by filling or refilling a written or oral prescription of a practitioner licensed by law to administer such drug shall
be exempt from the requirements of ‘40115, except Subsections (a)(i)(2)
and (3), (k) and (1) and the packaging requirements of Subsections (g) and (h), if the drug bears a label containing the name and address of the dispenser, the serial number and date of the prescription or of its filling, the name of the prescriber and, if stated in the prescription the name of the patient, and the directions for use and cautionary statements, if any, contained in such prescription. This exemption shall not apply to any drugs dispensed in the course of the conduct of a business of dispensing drugs pursuant to diagnosis by mail, or to a drug dispensed in violation of Paragraph (a) of this Section.

(c) The Director may, by regulation, remove drugs subject to
‘40115(d) and Section 18 from the requirements of Paragraph (a) of this
Section when such requirements are not necessary for the protection of the public health. Drugs removed from the prescription requirements of the Federal Act by regulations issued thereunder may also, by regulations issued by the Director, be removed from the requirement of Paragraph (a).
(d) A drug which is subject to Paragraph (a) of this Section shall be deemed to be misbranded if at any time prior to dispensing its label fails to bear the statement Caution: Federal Law Prohibits Dispensing Without Prescription or Caution: State Law Prohibits Dispensing Without Prescription. A drug to which Paragraph (a) of this Section does not apply shall be deemed to be misbranded if at any time prior to dispensing its label bears the caution statement quoted in the preceding sentence.

(e) Nothing in this Section shall be construed to relieve any person from any requirement prescribed by or under authority of law with respect to drugs now included or which may hereafter be included within the classifications of narcotic drugs or marihuana as defined in the applicable Federal and local laws relating to narcotic drugs and marihuana.
SOURCE: GC § 9720.15.
NOTE: Reference to “Section 18” appear here as in P.L. 13-143. See NOTE to ‘744.